MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, directing users to multiple external URLs, some of which are hosted on compromised WordPress upload directories. The primary attack pattern involves luring users to potentially malicious content through a collection of links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9746
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://xn----7sbabaajmdfbk3ddf3azka3b6a2r.xn--p1ai/ckfinder/userfiles/files/65357908902.pdf In PDF document text
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b311d1b4806---39878312151.pdfIn PDF document text
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/738d5ab7482ac90190bfea965b51ae63/23985184548.pdfIn PDF document text
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac6317efd37---14288216155.pdfIn PDF document text
- http://ainut.fi/userfiles/file/tutizagu.pdfIn PDF document text
- http://jjmcp.jp/userfiles/Image/file/52965690289.pdfIn PDF document text
- http://modra-skola.cz/userfiles/file/67670570594.pdfIn PDF document text
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608486c3a330e---nujowijinopafekigi.pdfIn PDF document text
- https://elpmarketing.ca/wp-content/plugins/super-forms/uploads/php/files/c58b1f66fc6abb24ec1c1a8e94c7ba46/vatosajubaxawugebe.pdfIn PDF document text
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/160be7c94d9ee3---pelalavuzapuvutawinapide.pdfIn PDF document text
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160901b815c2b2---lirusiw.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/9911991560a19d2c21658a1a04ce884d/14485221067.pdfIn PDF document text
- https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/2h1d62vo2bhpij2du4671ue96g/70689257882.pdfIn PDF document text
- http://travelshops.pl/userfiles/file/wawoteb.pdfIn PDF document text
- https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/8tl6u08hpadalb7h1l0h6pnq8b/xudefurofesejamija.pdfIn PDF document text
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/plcj0a8603jc1muds7gij865l7/bolirafosiluvavabediji.pdfIn PDF document text
- http://degrossier.nl/uploads/file/97175556341.pdfIn PDF document text
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/olr5iqem0sj79plji1uec6bg70/julatusupuvuvowotefazuxe.pdfIn PDF document text
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/7874bc1aacd3c37aa0b23d3a8edc4774/34816549920.pdfIn PDF document text
- https://copperscraphandlers.com/ckfinder/userfiles/files/fufutolemofawejodijogepem.pdfIn PDF document text
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c92da10863---30604364945.pdfIn PDF document text
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16090d5abd0696---4428495749.pdfIn PDF document text
- https://elbag.net/wp-content/plugins/super-forms/uploads/php/files/75c3b690a3d36133ccd1cf07d82d7d4b/refiporizexidonov.pdfIn PDF document text
- http://tipiland.net/upload/file/kogimugoxufenozidoniw.pdfIn PDF document text
- https://colakcivi.com/userfiles/file/tebux.pdfIn PDF document text
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608fbae52e7e2---13017950022.pdfIn PDF document text
- https://lncl.org/ckfinder/userfiles/files/lukotedew.pdfIn PDF document text
- http://icsbc.ru/fuploader//file/zasavoraw.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=if+something+is+implied+that+means+it+isPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e692.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE692 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fea3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEA3 | 16060 bytes |
SHA-256: 8bfc5e2f6383778b4716e60c732a7e5228106b692ca52c1f6b3c0b2892049825 |
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font_02_sfnt_off000113b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113B7 | 10796 bytes |
SHA-256: 8f51e91375e802408e0d2bb27a7935972a9eba71e77f2834c10172a6b59da1a0 |
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font_03_sfnt_off00012c28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C28 | 17112 bytes |
SHA-256: 16c20226b1208798bfc5b7173c34e73cbe1e691ff50b6e0e4fd2ab7a2215bb54 |
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